Intel Core i5-9400F vs Intel Core i3-12100F

Essentials

Intel Core i5-9400F	Intel Core i3-12100F
Product Collection
9th Generation Intel® Core™ i5 Processors	12th Generation Intel® Core™ i3 Processors
Code Name
Products formerly Coffee Lake	Products formerly Alder Lake
Vertical Segment
Desktop	Desktop
Processor Number
i5-9400F	i3-12100F
Lithography
14 nm	Intel 7
Use Conditions
PC/Client/Tablet	PC/Client/Tablet

Intel Core i5-9400F	Intel Core i3-12100F
Total Cores
6	4
Total Threads
6	8
Max Turbo Frequency
4.10 GHz	4.30 GHz
Intel® Turbo Boost Technology 2.0 Frequency
4.10 GHz	n/a
Processor Base Frequency
2.90 GHz	n/a
Cache
9 MB Intel® Smart Cache	12 MB Intel® Smart Cache
Bus Speed
8 GT/s	n/a
TDP
65 W	n/a
# of Performance-cores
n/a	4
Performance-core Max Turbo Frequency
n/a	4.30 GHz
Performance-core Base Frequency
n/a	3.30 GHz
Total L2 Cache
n/a	5 MB
Processor Base Power
n/a	58 W
Maximum Turbo Power
n/a	89 W

Intel Core i5-9400F	Intel Core i3-12100F
Max Memory Size (dependent on memory type)
128 GB	128 GB
Memory Types
DDR4-2666	Up to DDR5 4800 MT/s, Up to DDR4 3200 MT/s
Max # of Memory Channels
2	2
Max Memory Bandwidth
41.6 GB/s	76.8 GB/s
ECC Memory Supported
No	n/a

Intel Core i5-9400F	Intel Core i3-12100F
Scalability
1S Only	1S Only
PCI Express Revision
3.0	5.0 and 4.0
PCI Express Configurations
Up to 1x16, 2x8, 1x8+2x4	Up to 1x16+4, 2x8+4
Max # of PCI Express Lanes
16	20
Direct Media Interface (DMI) Revision
n/a	4.0
Max # of DMI Lanes
n/a	8

Intel Core i5-9400F	Intel Core i3-12100F
Sockets Supported
FCLGA1151	FCLGA1700
Max CPU Configuration
1	1
Thermal Solution Specification
PCG 2015C (65W)	PCG 2020C
T_JUNCTION
100°C	100°C
Package Size
37.5mm x 37.5mm	45.0 mm x 37.5 mm

Intel Core i5-9400F	Intel Core i3-12100F
Intel® Optane™ Memory Supported
Yes	Yes
Intel® Turbo Boost Technology
2.0	2.0
Intel® Hyper-Threading Technology
No	Yes
Intel® Transactional Synchronization Extensions
No	n/a
Intel® 64
Yes	Yes
Instruction Set
64-bit	64-bit
Instruction Set Extensions
Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2	Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2
Idle States
Yes	Yes
Enhanced Intel SpeedStep® Technology
Yes	Yes
Thermal Monitoring Technologies
Yes	Yes
Intel® Identity Protection Technology
Yes	n/a
Intel® Gaussian & Neural Accelerator
n/a	3.0
Intel® Thread Director
n/a	No
Intel® Deep Learning Boost (Intel® DL Boost)
n/a	Yes
Intel® Speed Shift Technology
n/a	Yes
Intel® Turbo Boost Max Technology 3.0
n/a	No
Intel® Volume Management Device (VMD)
n/a	Yes

Intel Core i5-9400F	Intel Core i3-12100F
Intel® AES New Instructions
Yes	Yes
Secure Key
Yes	Yes
Intel® Software Guard Extensions (Intel® SGX)
Yes with Intel® ME	n/a
Intel® Memory Protection Extensions (Intel® MPX)
Yes	n/a
Intel® OS Guard
Yes	Yes
Intel® Trusted Execution Technology
No	n/a
Execute Disable Bit
Yes	Yes
Intel® Boot Guard
Yes	Yes
Intel® Stable IT Platform Program (SIPP)
No	n/a
Intel® Virtualization Technology (VT-x)
Yes	Yes
Intel® Virtualization Technology for Directed I/O (VT-d)
Yes	Yes
Intel® VT-x with Extended Page Tables (EPT)
Yes	Yes
Intel® Standard Manageability (ISM)
n/a	Yes
Intel® Control-Flow Enforcement Technology
n/a	Yes
Mode-based Execute Control (MBEC)
n/a	Yes